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Displaying 151 - 175 of 176

Microstructural Properties of (Ba,Sr)Ti0 3 Films Fabricated from BaF 2 /SrF 2 /Ti0 2 Amorphouse Multilayers Using the Combinatorial Precursor Method

September 1, 2001
Author(s)
Ichiro Takeuchi, K S. Chang, R P. Sharma, Leonid A. Bendersky, H C. Chang, X D. Xiang, E A. Stach, C Y. Song
We have investigated the microstructure of (Ba,Sr)Ti0 3 films fabricated from BaF 2/SrF 2/Ti0 2 amorphouse multilayers. Rutherford backscattering spectroscopy and x-ray diffraction studies show that a controlled thermal treatment can interdiffuse the

Ca 4 Nb 2 0 9 -CaTi0 3 : Phase Equilibria and Microstructures

August 1, 2001
Author(s)
Leonid A. Bendersky, Igor Levin, Robert S. Roth, Alexander J. Shapiro
Ca 4TiO 3-Ca 4Nb 2O 9 is a quasi-binary section, and all the phases participating in equilibrium are solid solutions of the binary end-members. The phases are perovskite-based ABO3-type, with a common stoichiometry Ca[Ca (1-x)/(3-2x)Nb (2-2x)/ (3-2x)Ti x/

Ferroelectricity and Ferrimagnetism in Iron-doped BaTiO 3

April 1, 2001
Author(s)
R Maier, J. Cohn, J J. Neumeier, Leonid A. Bendersky
The structural and physical properties of pseudocubic thin-film BaTi 1-xFe x0 3 (0.5 less than or equal} x less than or equal} 0.75) grown by pulsed-laser deposition are reported. This material is of interest because the corresponding bulk compounds have

Abstracts for the MSEL Assessment Panel, March 2001

January 26, 2001
Author(s)
Leslie E. Smith, Alamgir Karim, Leonid A. Bendersky, C Lu, J J. Scott, Ichiro Takeuchi, Kathleen M. Flynn, Vinod K. Tewary, Davor Balzar, G A. Alers, Stephen E. Russek, Charles C. Han, Haonan Wang, William E. Wallace, Daniel A. Fischer, K Efimenko, Wen-Li Wu, Jan Genzer, Joseph C. Woicik, Thomas H. Gnaeupel-Herold, Henry J. Prask, Charles F. Majkrzak, Norman F. Berk, John G. Barker, Charles J. Glinka, Eric K. Lin, Ward L. Johnson, Paul R. Heyliger, David T. Read, R R. Keller, J Blendell, Grady S. White, Lin-Sien H. Lum, Eric J. Cockayne, Igor Levin, C E. Johnson, Maureen E. Williams, Gery R. Stafford, William J. Boettinger, Kil-Won Moon, Daniel Josell, Daniel Wheeler, Thomas P. Moffat, W H. Huber, Lee J. Richter, Clayton S. Yang, Robert D. Shull, R A. Fry, Robert D. McMichael, William F. Egelhoff Jr., Ursula R. Kattner, James A. Warren, Jonathan E. Guyer, Steven P. Mates, Stephen D. Ridder, Frank S. Biancaniello, D Basak, Jon C. Geist, Kalman D. Migler
Abstracts relating to research and development in the NIST Materials Science and Engineering Laboratory (MSEL) are presented for a poster session to be presented to the 2001 MSEL Assessment Panel.

Dielectric Properties and Microstructure of Ca 5 Nb 2 Ti0 12 and Ca 5 Ta 2 TiO 12

January 1, 2001
Author(s)
Leonid A. Bendersky, J J. Krajewski, R J. Cava
The 1 MHz dielectric properties of Ca 5Nb 2TiO 12 and Ca 5Ta 2TiO 12 compounds were reported recently. Both compounds have a common characteristic dependence of the temperature coefficient of dielectric constant (TCK) and dielectric constant Epilson (sub r

Three-Domain Architecture of Stress-Free Epitaxial Ferroelectric Films

January 1, 2001
Author(s)
Alexander L. Roytburd, S P. Alpay, V Nagarajan, Leonid A. Bendersky, R Ramesh
Epitaxial ferroelectric films undergoing a cubic-tetragonal phase transformation relax internal stresses due to the structural phase transformation and the difference in the thermal expansion coefficients of the film and the substrate by forming polydomain

NIST Centennial Celebration - Crystallographic Highlights

December 1, 2000
Author(s)
Winnie K. Wong-Ng, Alan D. Mighell, Gabrielle G. Long, Leonid A. Bendersky, Vicky L. Karen, J D. Barnes, G L. Gilliland, T Gallagher, Terrell A. Vanderah, R G. Munro, Paul E. Stutzman, H F. McMurdie, S Block, Gasper J. Piermarini, Robert S. Roth, Antonio Santoro, Curt W. Reimann, C R. Hubbard, John W. Cahn, E Prince, D R. Lide, H Ondik, Lawrence P. Cook, T Siegrist, G DeTitta, L Finger, H Evans, E Gabe, G Enright, J T. Armstrong, M Levenson, Laurence C. Chow, Shozo Takagi, M Mathew, Jeffrey W. Lynn, H S. Peiser
NIST has a long history of crystallographic research, and has made significant contributions to the advancement of the fields of crystallography, biology, and materials science. The articles are contributed by scientists from various divisions at NIST, and

Structural Studies of Pulsed-Laser-Deposited Ba 4 Fe 4 Ti 3 0 16 Oxide Films

June 1, 2000
Author(s)
Leonid A. Bendersky, R Maier, J L. Cohn, J J. Neumeier
In this paper the pulsed laser deposition on single-crystal Mg0 substrates of Ba(sub4)Fe(sub4)Ti(sub3)0(sub16) target has been studied by TEM and x-ray diffraction. For [100] and [111] orientations of the substrate, the initial stage of the deposition

Magnetism and Incommensurate Waves in Zr 3 (Rh 1-x Pd x ) 4

May 1, 2000
Author(s)
Lawrence H. Bennett, Richard M. Waterstrat, L Swartzendruber, Leonid A. Bendersky, H J. Brown, R E. Watson
The unusual properties of the Zr 3(Rh 1-xPd x) 4 alloy system are reported here. Contrary to most metallically bonded systems, which are not quick to change cooperative behavior with alloy concentration, this system does. Pure Zr 3Rh 4 is nonmagnetic

Ordering/Displacive Phase Transformations in Ca 4 Nb 2 O 9

December 17, 1999
Author(s)
Igor Levin, Leonid A. Bendersky, Robert S. Roth, Terrell A. Vanderah
Four Ca 4Nb 2O 9=Ca(Ca1/3Nb 2/3)O 3 polymorphs based on ABO 3 perovskite-like structure were identified. These polymorphs feature three different arrangements of Ca/Nb cations on B-sites of perovskite. In three of the polymorphs, cation ordering is